Article 3 Pre-trade transparency requirements for trading venues in respect of shares, depositary receipts, ETFs, certificates and other similar financial instruments
1. Market operators and investment firms operating a trading venue shall make public current bid and offer prices and the depth of trading interests at those prices which are advertised through their systems for shares, depositary receipts, ETFs, certificates and other similar financial instruments traded on a trading venue. That requirement shall also apply to actionable indication of interests. Market operators and investment firms operating a trading venue shall make that information available to the public on a continuous basis during normal trading hours.
2. The transparency requirements referred to in paragraph 1 shall be calibrated for different types of trading systems including order-book, quote-driven, hybrid and periodic auction trading systems.